config.env: PARALLEL_CONFIGS 默认值从 "2 4"/"4 2"/"8 1" 改为 "8 1"/"16 1" run_adaptive_concurrency_add16.sh: engine_build_server_args 按 TP 覆盖参数 - TP=8: gpu_mem_util=0.95, max_model_len=16384, max_num_seqs=64 (64GB/die KV cache 紧张) - TP=16: gpu_mem_util=0.92, max_model_len=131072, max_num_seqs=256 (16 die 全用) 可通过 TP8_*/TP16_* 环境变量进一步覆盖